3972103639

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{701}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 4765962240

約数和(自身を除く): 793858601

約数列:

[1, 7, 29, 103, 203, 271, 701, 721, 1897, 2987, 4907, 7859, 20329, 20909, 27913, 55013, 72203, 142303, 189971, 195391, 505421, 809477, 1329797, 2093887, 5509159, 5666339, 14657209, 19567013, 38564113, 136969091, 567443377, 3972103639]

約数ペア:

[(1, 3972103639), (7, 567443377), (29, 136969091), (103, 38564113), (203, 19567013), (271, 14657209), (701, 5666339), (721, 5509159), (1897, 2093887), (2987, 1329797), (4907, 809477), (7859, 505421), (20329, 195391), (20909, 189971), (27913, 142303), (55013, 72203)]